@inproceedings{huang2019attention,
  title={Attention on attention for image captioning},
  author={Huang, Lun and Wang, Wenmin and Chen, Jie and Wei, Xiao-Yong},
  booktitle={Proceedings of the IEEE International Conference on Computer Vision},
  pages={4634--4643},
  year={2019},
  url={http://openaccess.thecvf.com/content_ICCV_2019/papers/Huang_Attention_on_Attention_for_Image_Captioning_ICCV_2019_paper.pdf}
}